ICSE ICSE Class 6 - CISCE Question Bank Solutions for Mathematics

State, true or false:

If a number is divisible by 18, it is divisible by 3 and 6

State, true or false:

If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.

Subtract the first term from the second:

4ab, 6ba

Subtract the first term from the second:

4.8b, 6.8b

Subtract the first term from the second:

3.5abc, 10.5abc

Subtract the first term from the second:

`3 1/2"mn",8 1/2"nm"`

Find the sum of 3a + 4b + 7c, − 5a + 3b − 6c and 4a − 2b − 4c.

Find the sum of 2x² + xy − y², − x² + 2xy + 3y² and 3x² − 10xy + 4y².

Find the sum of x² − x + 1, − 5x² + 2x − 2 and 3x² − 3x + 1

Find the sum of a² − ab + bc, 2ab + bc − 2a² and − 3bc + 3a² + ab.

Find the sum of 4x² + 7 − 3x, 4x − x² + 8 and − 10 + 5x − 2x².

Find the sum of 3x + 4xy − y², xy − 4x + 2y² and 3y² − xy + 6x.

Add the following expression:

− 17x² − 2xy + 23y², − 9y² + 15x² + 7xy and 13x² + 3y² − 4xy

Add the following expression:

− x² − 3xy + 3y² + 8, 3x² − 5y² − 3 + 4xy and − 6xy + 2x² − 2 + y²

Add the following expression:

a³ − 2b³ + a, b³ − 2a³ + b and − 2b + 2b³ − 5a + 4a³

Evaluate:

3a − (a + 2b)

Evaluate:

(5x − 3y) − (x + y)

Evaluate:

(8a + 15b) − (3b − 7a)

Evaluate:

(8x + 7y) − (4y − 3x)

Evaluate:

7 − (4a − 5)